Galaxies and the Universe

Galaxies are composed of (best answer)

• stars
• stars and gas
• stars, dust, and gas
• stars, dust, and gas held together by gravity

The Milky Way Galaxy is a 

• spiral
• lenticular
• elliptical 
• irregular

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

How far is the sun from the earth?

• 4.3 light-minutes
• 680 light-years
• 8.4 light-minutes
• 9 light years

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Distance measurement used by astronomers for distant objects.

• Kilometers
• Light Years
• Miles
• Light Seconds

What is not a galaxy?

• Optical Galaxy
• Spiral Galaxy
• Elliptical Galaxy
• Irregular Galaxy

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

Place these objects in order from smallest to largest.

• Planets, solar system, universe, galaxy
• Solar system, planets, galaxy, universe
• Planets, solar system, galaxy, universe
• Galaxy, solar system, planets, universe

Our sun is located on one of the Spiral Galaxy arms.  

• True
• False